#ifndef _COLOR_CONVERSION_H_
#define _COLOR_CONVERSION_H_


#include <GraphicsDefs.h>

#include <math.h>


class BPoint;


namespace BPrivate {

status_t ConvertBits(const void *srcBits, void *dstBits, int32 srcBitsLength,
        int32 dstBitsLength, int32 srcBytesPerRow, int32 dstBytesPerRow,
        color_space srcColorSpace, color_space dstColorSpace, int32 width,
        int32 height);
status_t ConvertBits(const void *srcBits, void *dstBits, int32 srcBitsLength,
        int32 dstBitsLength, int32 srcBytesPerRow, int32 dstBytesPerRow,
        color_space srcColorSpace, color_space dstColorSpace, BPoint srcOffset,
        BPoint dstOffset, int32 width, int32 height);


/*!     \brief Helper class for conversion between RGB and palette colors.
*/
class PaletteConverter {
public:
        PaletteConverter();
        PaletteConverter(const rgb_color *palette);
        PaletteConverter(const color_map *colorMap);
        ~PaletteConverter();

        status_t SetTo(const rgb_color *palette);
        status_t SetTo(const color_map *colorMap);
        status_t InitCheck() const;

        inline uint8 IndexForRGB15(uint16 rgb) const;
        inline uint8 IndexForRGB15(uint8 red, uint8 green, uint8 blue) const;
        inline uint8 IndexForRGB16(uint16 rgb) const;
        inline uint8 IndexForRGB16(uint8 red, uint8 green, uint8 blue) const;
        inline uint8 IndexForRGB24(uint32 rgb) const;
        inline uint8 IndexForRGB24(uint8 red, uint8 green, uint8 blue) const;
        inline uint8 IndexForRGBA32(uint32 rgba) const;
        inline uint8 IndexForGray(uint8 gray) const;

        inline const rgb_color &RGBColorForIndex(uint8 index) const;
        inline uint16 RGB15ColorForIndex(uint8 index) const;
        inline uint16 RGB16ColorForIndex(uint8 index) const;
        inline uint32 RGBA32ColorForIndex(uint8 index) const;
        inline void RGBA32ColorForIndex(uint8 index, uint8 &red, uint8 &green,
                                                                   uint8 &blue, uint8 &alpha) const;
        inline uint8 GrayColorForIndex(uint8 index) const;

        static status_t InitializeDefault(bool useServer = false);

private:
        static void _InitializeDefaultAppServer();
        static void _InitializeDefaultNoAppServer();

private:
        const color_map *fColorMap;
        color_map               *fOwnColorMap;
        status_t                fCStatus;
};


}       // namespace BPrivate

#endif